diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/arm/combine-cmp-shift.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/arm/combine-cmp-shift.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/arm/combine-cmp-shift.c b/gcc-4.9/gcc/testsuite/gcc.target/arm/combine-cmp-shift.c new file mode 100644 index 000000000..a64f20e06 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/arm/combine-cmp-shift.c @@ -0,0 +1,16 @@ +/* { dg-skip-if "incompatible options" { arm*-*-* } { "-march=*" } { "-march=armv7-a" } } */ +/* { dg-options "-O2 -mcpu=cortex-a8" } */ +/* { dg-final { scan-assembler "cmp\tr\[0-9\]*, r\[0-9\]*, asr #31" } } */ + +typedef int SItype __attribute__ ((mode (SI))); +typedef int DItype __attribute__ ((mode (DI))); +void abort (void); + +SItype +__mulvsi3 (SItype a, SItype b) +{ + const DItype w = (DItype) a * (DItype) b; + if ((SItype) (w >> (4 * 8)) != (SItype) w >> ((4 * 8) - 1)) + abort (); + return w; +} |